Index: admin_templates/js/catalog.js
===================================================================
--- admin_templates/js/catalog.js	(revision 14476)
+++ admin_templates/js/catalog.js	(working copy)
@@ -152,8 +152,7 @@
 }
 
 Catalog.prototype.errorCallback = function($request, $params, $object) {
-//	$Debugger.ShowProps($request, 'req');
-	alert('AJAX Error; class: Catalog; ' + Request.getErrorHtml($request));
+// this usually happens, when catalog isn't finished loading, but user goes to another non-catalog section
 }
 
 Catalog.prototype.submit_event = function($prefix_special, $event, $t, $OnResponceMethod) {